DE69221231T2 - Power control device - Google Patents
Power control deviceInfo
- Publication number
- DE69221231T2 DE69221231T2 DE69221231T DE69221231T DE69221231T2 DE 69221231 T2 DE69221231 T2 DE 69221231T2 DE 69221231 T DE69221231 T DE 69221231T DE 69221231 T DE69221231 T DE 69221231T DE 69221231 T2 DE69221231 T2 DE 69221231T2
- Authority
- DE
- Germany
- Prior art keywords
- control device
- power control
- power
- control
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers
- H03G3/20—Automatic control
- H03G3/30—Automatic control in amplifiers having semiconductor devices
- H03G3/3036—Automatic control in amplifiers having semiconductor devices in high-frequency amplifiers or in frequency-changers
- H03G3/3042—Automatic control in amplifiers having semiconductor devices in high-frequency amplifiers or in frequency-changers in modulators, frequency-changers, transmitters or power amplifiers
- H03G3/3047—Automatic control in amplifiers having semiconductor devices in high-frequency amplifiers or in frequency-changers in modulators, frequency-changers, transmitters or power amplifiers for intermittent signals, e.g. burst signals
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G7/00—Volume compression or expansion in amplifiers
- H03G7/002—Volume compression or expansion in amplifiers in untuned or low-frequency amplifiers, e.g. audio amplifiers
- H03G7/005—Volume compression or expansion in amplifiers in untuned or low-frequency amplifiers, e.g. audio amplifiers using discontinuously variable devices, e.g. switch-operated
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Amplifiers (AREA)
- Control Of Amplification And Gain Control (AREA)
- Transmitters (AREA)
- Mobile Radio Communication Systems (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3220507A JPH0563627A (en) | 1991-08-30 | 1991-08-30 | Power control circuit |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69221231D1 DE69221231D1 (en) | 1997-09-04 |
DE69221231T2 true DE69221231T2 (en) | 1997-11-27 |
Family
ID=16752114
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69221231T Expired - Fee Related DE69221231T2 (en) | 1991-08-30 | 1992-08-27 | Power control device |
Country Status (6)
Country | Link |
---|---|
US (1) | US5334979A (en) |
EP (1) | EP0532203B1 (en) |
JP (1) | JPH0563627A (en) |
AU (1) | AU652468B2 (en) |
CA (1) | CA2076711C (en) |
DE (1) | DE69221231T2 (en) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19702280A1 (en) * | 1997-01-23 | 1998-07-30 | Bosch Gmbh Robert | Power gain control method |
CN1153371C (en) | 1998-06-29 | 2004-06-09 | 诺基亚网络有限公司 | Power control in multi-carrier radio transmitter |
JP2001016116A (en) * | 1999-07-02 | 2001-01-19 | Nec Corp | Portable radio equipment |
US6396350B2 (en) | 2000-02-09 | 2002-05-28 | Paradigm Wireless Systems, Inc. | Power booster method and apparatus for improving the performance of radio frequency linear power amplifiers |
JP2005223877A (en) * | 2004-01-05 | 2005-08-18 | Renesas Technology Corp | High-frequency power amplifier circuit |
EP1831992A1 (en) * | 2004-12-23 | 2007-09-12 | Freescale Semiconductor, Inc. | Power control system for a wireless communication unit |
WO2006066627A1 (en) * | 2004-12-23 | 2006-06-29 | Freescale Semiconductor, Inc | Wireless communication unit and power control system thereof |
EP1750367B1 (en) * | 2005-08-04 | 2009-07-15 | Dibcom | Method and device for automatic gain control with limited jitter |
US7439810B2 (en) * | 2006-06-08 | 2008-10-21 | Harris Corporation | Fast bias for power amplifier gating in a TDMA application |
US7432839B2 (en) * | 2007-02-27 | 2008-10-07 | Infineon Technologies Ag | ADC with logarithmic response and methods for controlling RF power levels |
CN101387893B (en) * | 2008-10-24 | 2010-06-02 | 北京工业大学 | Electrical heating power closed-loop control method |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1108370A (en) * | 1966-01-03 | 1968-04-03 | Marconi Co Ltd | An adjustable attenuating arrangement |
FR2250234B1 (en) * | 1973-10-31 | 1976-10-01 | Alsthom Cgee | |
US4363024A (en) * | 1977-11-21 | 1982-12-07 | Brokaw Adrian P | Digital-to-analog converter providing multiplicative and linear functions |
JPS57154919A (en) * | 1981-03-20 | 1982-09-24 | Hitachi Denshi Ltd | Detecting system for high frequency faulty power level |
FR2520952A1 (en) * | 1982-02-03 | 1983-08-05 | Trt Telecom Radio Electr | AUTOMATIC GAIN CONTROL DEVICE (AGC) WITH QUICK ACTION |
JPS6041821A (en) * | 1983-08-18 | 1985-03-05 | Nec Corp | Transmission output power controller |
JPS60121830A (en) * | 1983-12-06 | 1985-06-29 | Matsushita Electric Ind Co Ltd | Control method of transmission output |
JPS60244107A (en) * | 1984-05-18 | 1985-12-04 | Nec Corp | Control circuit of high frequency electric power |
US5126686A (en) * | 1989-08-15 | 1992-06-30 | Astec International, Ltd. | RF amplifier system having multiple selectable power output levels |
US5113525A (en) * | 1989-11-06 | 1992-05-12 | Mitsubishi Denki Kabushiki Kaisha | Linear-modulation type radio transmitter |
FI85202C (en) * | 1990-03-09 | 1992-03-10 | Nokia Mobile Phones Ltd | FOERFARANDE FOER FOERBAETTRANDE AV PRECISION I EFFEKTREGLERING I EN RADIOTELEFON. |
KR960000775B1 (en) * | 1990-10-19 | 1996-01-12 | 닛본덴기 가부시끼가이샤 | Output level control circuit for high freq power amp |
US5132634A (en) * | 1991-03-25 | 1992-07-21 | Motorola, Inc. | Amplifier circuit with envelope smoothing |
US5128629A (en) * | 1991-04-22 | 1992-07-07 | Hughes Aircraft Company | Method for controlling the output power of digital cellular telephones |
US5159283A (en) * | 1991-08-26 | 1992-10-27 | Motorola, Inc. | Power amplifier |
-
1991
- 1991-08-30 JP JP3220507A patent/JPH0563627A/en active Pending
-
1992
- 1992-08-24 CA CA002076711A patent/CA2076711C/en not_active Expired - Fee Related
- 1992-08-27 DE DE69221231T patent/DE69221231T2/en not_active Expired - Fee Related
- 1992-08-27 EP EP92307796A patent/EP0532203B1/en not_active Expired - Lifetime
- 1992-08-28 AU AU21378/92A patent/AU652468B2/en not_active Ceased
- 1992-08-31 US US07/938,422 patent/US5334979A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CA2076711C (en) | 1997-12-02 |
US5334979A (en) | 1994-08-02 |
EP0532203A1 (en) | 1993-03-17 |
AU2137892A (en) | 1993-03-04 |
EP0532203B1 (en) | 1997-07-30 |
DE69221231D1 (en) | 1997-09-04 |
JPH0563627A (en) | 1993-03-12 |
CA2076711A1 (en) | 1993-03-01 |
AU652468B2 (en) | 1994-08-25 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |